SIGFOX is based in Toulouse, France. It has raised $322M in total funding. Latest round: Series E. Backed by Alto Invest, Salesforce Ventures, Henri Seydoux.
SIGFOX is based in Toulouse, France. SIGFOX has raised $322M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Its most recent disclosed round is a Series E announced in November 2016. The round record for SIGFOX runs through 2016; nothing later has been disclosed. Investors on record include Alto Invest, Salesforce Ventures, Henri Seydoux, Swen CP, Tamer Group, Total and 6 others. 12 distinct backers are named across the disclosed rounds.
We update the SIGFOX record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related companies in Toulouse and their backers are listed below.
Company funding database · Investor directory · Founder database · Mega-rounds 2026